There’s no doubt that the GR Corolla is an incredibly fun hot hatch. In fact, after driving it last year, we think it’s one of the best things Toyota has done in a long time. Now, one new owner has proven that at least her GR Corolla is making quite a bit more power than Toyota says it should.
Every GR Corolla, regardless of trim level, is factory-rated at 300 hp (223 kW). Keep in mind that rating is referring to how much power the engine makes at the crank, not at the tires. By the time the power gets to the ground, drivetrain losses can reduce that figure by 15-25 percent depending on a number of factors.
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